Search a number
-
+
47840250 = 2353227281
BaseRepresentation
bin1011011001111…
…1101111111010
310100000112111010
42312133233322
544221342000
64425214350
71120430643
oct266375772
9110015433
1047840250
11250060a7
12140313b6
139bb0353
1464d46ca
1542eed50
hex2d9fbfa

47840250 has 64 divisors (see below), whose sum is σ = 120362112. Its totient is φ = 12656000.

The previous prime is 47840249. The next prime is 47840257. The reversal of 47840250 is 5204874.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (47840257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170110 + ... + 170390.

It is an arithmetic number, because the mean of its divisors is an integer number (1880658).

Almost surely, 247840250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47840250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60181056).

47840250 is an abundant number, since it is smaller than the sum of its proper divisors (72521862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47840250 is a wasteful number, since it uses less digits than its factorization.

47840250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 47840250 is about 6916.6646586342. The cubic root of 47840250 is about 363.0204968353.

The spelling of 47840250 in words is "forty-seven million, eight hundred forty thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 227 250 281 375 454 562 681 750 843 1135 1362 1405 1686 2270 2810 3405 4215 5675 6810 7025 8430 11350 14050 17025 21075 28375 34050 35125 42150 56750 63787 70250 85125 105375 127574 170250 191361 210750 318935 382722 637870 956805 1594675 1913610 3189350 4784025 7973375 9568050 15946750 23920125 47840250